Al Horford Injury Update: Atlanta Hawks Star Out Indefinitely With Torn Pectoral Muscle [VIDEO]

The Atlanta Hawks, one of the three teams in the East with a winning record, suffered a major blow to their campaign on Friday when an MRI showed that forward Al Horford completely tore his right pectoral muscle during the team's double-overtime triumph over the Cleveland Cavaliers last Thursday. The injury will keep the franchise star out indefinitely.